mwifiex_cmd_802_11_ad_hoc_start in drivers/net/wireless/marvell/mwifiex/join.c in the Linux kernel through 5.10.4 might allow remote attackers to execute arbitrary code via a long SSID value.
Reference and upstream patch:
Created kernel tracking bugs for this issue:
Affects: fedora-all [bug 1913349]
To mitigate this issue, prevent the module mwifiex from being loaded. Please see https://access.redhat.com/solutions/41278 for information on how to blacklist a kernel module to prevent it from loading automatically.
This issue is rated as having Moderate impact because the attacker needs to be local and privileged enough to be able to initiate ad-hoc WIFI network creation.